Runner.rd.done: def of bend-kit-runner@0.13.0.1
Import: import bend-kit-runner@0.13.0.1/runner.bend as Runner
Lines 903-909 of bend-kit-runner@0.13.0.1/runner.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-runner@0.13.0.1/runner.bend&start_line=903&end_line=909

import Base

# The value read, when the reader ended at len, the record's end.
def rd.done(-T: Data, +len: U32, m: Maybe<&1, Rd & T>) -> Maybe<&2, T>:
  match m:
    case None{}:
      None{}
    case Some{(Rd{b, +at}, +x)}:
      Bool.pick(Maybe<&2, T>, U32.is_eq(at, len), Some{x}, None{})

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=Rd